Plant Pests, (New March 2000) Plant pests 49 Pest control 32 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 28 Insects 25 Natural enemies 24 Plant diseases 24 Horticultural Crops, (New March 2000) 23 Insect pests 23 Taxonomy 23 Biological Control 20 Plant Breeding and Genetics 20 Plant pathogens 20 Biological control 19 Taxonomy and Evolution 19 Plant Production 18 Crop Produce 17 Nematoda 16 Plant parasitic nematodes 15 Biological control agents 14 Crop production 13 Insect control 13 Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000) 13 Plant Physiology and Biochemistry 13 Animal Ecology 12 Entomopathogens 11 Food Composition and Quality 11 Pathogens 11 Weeds 11 Chemical control 10